Vaud

Renovation works in Saint-Sulpice

Renovating in Saint-Sulpice: what to know

Planning works in Saint-Sulpice, canton of Vaud? Before requesting quotes, local context helps: climate drives the value of insulation and heating, cantonal rules govern boiler replacement, and tax deductions can noticeably reduce the bill.

Local housing stock

The federal building register lists 664 residential buildings with 2'639 dwellings in Saint-Sulpice. 55% were built before 1980, before serious insulation standards, and 66% are still heated with oil or gas.

55 %built before 1980
66 %heated by oil or gas
8 %electric hot water
19.9 %with declared solar thermal

Age of residential buildings

  • Before 19196 %
  • 1919–194513 %
  • 1946–196012 %
  • 1961–197012 %
  • 1971–198012 %
  • 1981–199010 %
  • 1991–20005 %
  • 2001–20106 %
  • Since 201124 %

Main heating energy

  • Gas44 %
  • Heat pump27 %
  • Heating oil22 %
  • Electricity4 %
  • Wood2 %
  • District heating1 %

Heating and hot water: which energies?

EnergyHeatingHot water
Gas44 %40 %
Heating oil22 %23.7 %
District heating1 %0.2 %
Heat pump27 %10.3 %
Electricity4 %8 %
Wood2 %1 %
Solar thermal0 %16.4 %

Each line gives the share of buildings using that energy, separately for heating and for hot water. The two columns do not always reach 100%: some buildings combine two systems, or reported none.

Type of heating system

  • Boiler (unspecified)48.4 %
  • Heat pump27.4 %
  • Condensing boiler12.6 %
  • Standard boiler6.1 %
  • Central electric heating3.6 %
  • Heat exchanger (district)0.6 %
  • Stove0.6 %

A standard non-condensing boiler is usually older and less efficient.

Houses or apartment buildings?

  • Single-family houses51.4 %
  • Two-dwelling houses14.6 %
  • Apartment buildings (3+)33.9 %
  • Other0.2 %

10.5 % of buildings mix housing with shops or offices.

The typical building

storeys (median)
3
median footprint
146 m²
median dwelling area
87 m²

Dwellings by number of rooms

17.6 %1 rm
15.8 %2 rm
21.8 %3 rm
26.3 %4 rm
18.5 %5+ rm

Dwellings per building

  • 1 dwelling51.4 %
  • 2 to 421.4 %
  • 5 to 918.1 %
  • 10 to 197.7 %
  • 20 or more1.5 %

Renovations, heritage and volumes

For renovation planning in Saint-Sulpice, official building register figures provide essential insights. With one building formally listed under heritage protection, property owners must contact the municipality early to understand specific permit requirements. Regarding building volume, data is partial, covering only 113 out of 341 houses measured according to the SIA 416 standard. For these properties, the median volume is 1068 cubic meters, which serves as a key indicator for scaling insulation improvements or heating system upgrades. Please note that these figures represent a limited portion of the total housing stock currently recorded in the register.

1
buildings flagged as protected
status known for 61 of 664 buildings; check with the municipality
1'068 m³
median house volume (SIA 416)
measured for 113 of 341 houses

Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.

Rules of the canton of Vaud

These rules apply across the whole canton, not only in Saint-Sulpice.

Choose your works in Saint-Sulpice

Nearby municipalities : Lausanne · Yverdon-les-Bains · Vevey · Nyon · Montreux · Morges · Renens · Pully

Sources

  1. [1] Règlement sur la déduction des frais relatifs aux immeubles privés (RDFIP)
  2. [2] État de Vaud — Permis de construire (LATC / RLATC)